IPv4 R&E Routing Table Report 23:05 GMT Wed 23 Oct, 2024 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 956857 Prefixes after maximum aggregation (per Origin AS): 366350 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 468345 Number of IPv4 prefixes with a valid ROA: 505751 Number of IPv4 prefixes with an invalid ROA: 1204 Number of IPv4 prefixes with no ROA: 449902 Total ASes present in the Internet Routing Table: 76146 Prefixes per ASN: 12.57 Origin-only ASes present in the Internet Routing Table: 65415 Origin ASes announcing only one prefix: 26772 Transit ASes present in the Internet Routing Table: 10731 Transit-only ASes present in the Internet Routing Table: 499 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 978 Number of instances of unregistered ASNs: 989 Number of 32-bit ASNs allocated by the RIRs: 45602 Number of 32-bit ASNs visible in the Routing Table: 37203 Prefixes from 32-bit ASNs in the Routing Table: 193092 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 519 Number of addresses announced to Internet: 3027057152 Equivalent to 180 /8s, 109 /16s and 58 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 314221 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252159 Total APNIC prefixes after maximum aggregation: 74912 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 244311 Unique aggregates announced from the APNIC address blocks: 101066 APNIC Region origin ASes present in the Internet Routing Table: 14315 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4356 APNIC Region transit ASes present in the Internet Routing Table: 1903 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9809 Number of APNIC addresses announced to Internet: 756195328 Equivalent to 45 /8s, 18 /16s and 160 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-153913 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 280685 Total ARIN prefixes after maximum aggregation: 125906 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 283745 Unique aggregates announced from the ARIN address blocks: 135537 ARIN Region origin ASes present in the Internet Routing Table: 19147 ARIN Prefixes per ASN: 14.82 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1902 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5033 Number of ARIN addresses announced to Internet: 1266737152 Equivalent to 75 /8s, 128 /16s and 224 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-402332 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 267297 Total RIPE prefixes after maximum aggregation: 129470 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 264205 Unique aggregates announced from the RIPE address blocks: 168560 RIPE Region origin ASes present in the Internet Routing Table: 28752 RIPE Prefixes per ASN: 9.19 RIPE Region origin ASes announcing only one prefix: 12123 RIPE Region transit ASes present in the Internet Routing Table: 3919 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12048 Number of RIPE addresses announced to Internet: 722089216 Equivalent to 43 /8s, 10 /16s and 53 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 122783 Total LACNIC prefixes after maximum aggregation: 28875 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 120389 Unique aggregates announced from the LACNIC address blocks: 48447 LACNIC Region origin ASes present in the Internet Routing Table: 11154 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2632 LACNIC Region transit ASes present in the Internet Routing Table: 2467 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9057 Number of LACNIC addresses announced to Internet: 177471232 Equivalent to 10 /8s, 147 /16s and 255 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 32955 Total AfriNIC prefixes after maximum aggregation: 6551 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 43688 Unique aggregates announced from the AfriNIC address blocks: 14294 AfriNIC Region origin ASes present in the Internet Routing Table: 1896 AfriNIC Prefixes per ASN: 23.04 AfriNIC Region origin ASes announcing only one prefix: 692 AfriNIC Region transit ASes present in the Internet Routing Table: 363 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1256 Number of AfriNIC addresses announced to Internet: 104281088 Equivalent to 6 /8s, 55 /16s and 52 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 10080 8751 83 CHINAMOBILE-CN China Mobile Communication 7545 5979 840 656 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4539 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3940 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3850 512 268 BBIL-AP BHARTI Airtel Ltd., IN 7713 3652 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3253 1857 106 VNPT-AS-VN VNPT Corp, VN 24560 2782 829 543 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2207 434 196 TATACOMM-AS TATA Communications formerly 45090 2206 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 10895 11914 3807 AMAZON-02, US 11492 4660 310 547 CABLEONE, US 174 4530 8765 869 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3603 1320 79 SHAW, CA 22773 3409 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3263 54896 2510 DNIC-AS-00749, US 7018 3174 23668 1971 ATT-INTERNET4, US 396982 2866 3654 420 GOOGLE-CLOUD-PLATFORM, US 16625 2795 1218 2098 AKAMAI-AS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7646 1709 143 UNI2-AS, ES 39891 4652 281 59 ALJAWWALSTC-AS, SA 20940 3818 3395 125 AKAMAI-ASN1, NL 9009 3706 320 1894 M247, RO 12389 2943 2294 878 ROSTELECOM-AS, RU 34984 2341 359 578 TELLCOM-AS, TR 212238 1800 132 1336 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1518 1852 14 TE-AS TE-AS, EG 8551 1472 366 32 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11551 3235 512 UNINET, MX 10620 3510 491 998 Telmex Colombia S.A., CO 13999 2529 533 358 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad y 28573 1338 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 779 195 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1156 374 163 Axtel, S.A.B. de C.V., MX 6147 1104 369 22 Telefonica del Peru S.A.A., PE 22884 1056 97 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1034 2503 53 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1637 593 29 RAYA-AS, EG 24863 1616 389 16 LINKdotNET-AS, EG 36992 1414 1519 283 ETISALAT-MISR, EG 29571 1353 86 57 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 976 521 41 Vodafone-, EG 37069 595 1099 13 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 530 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11551 3235 512 UNINET, MX 16509 10895 11914 3807 AMAZON-02, US 9808 10080 8751 83 CHINAMOBILE-CN China Mobile Communication 12479 7646 1709 143 UNI2-AS, ES 7545 5979 840 656 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4660 310 547 CABLEONE, US 39891 4652 281 59 ALJAWWALSTC-AS, SA 18403 4539 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4530 8765 869 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 10080 9997 CHINAMOBILE-CN China Mobile Communications Grou 12479 7646 7503 UNI2-AS, ES 16509 10895 7088 AMAZON-02, US 7545 5979 5323 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4652 4593 ALJAWWALSTC-AS, SA 18403 4539 4516 FPT-AS-AP FPT Telecom Company, VN 11492 4660 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3940 3915 VIETEL-AS-AP Viettel Group, VN 20940 3818 3693 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, US 23.139.88.0/24 Origin: 397244 RESERVED, ZZ 23.139.88.0/24 Transit: 33387 NOCIX, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:16 /10:36 /11:91 /12:295 /13:575 /14:1171 /15:2057 /16:13147 /17:8136 /18:13593 /19:24192 /20:43568 /21:51586 /22:111445 /23:99226 /24:587707 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6700 7646 UNI2-AS, ES 8151 5740 11551 UNINET, MX 11492 3555 4660 CABLEONE, US 39891 3412 4652 ALJAWWALSTC-AS, SA 6327 3398 3603 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2540 3409 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2215 10895 AMAZON-02, US 30036 2182 2522 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2142 3510 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2276 2:1530 3:502 4:8 5:4453 6:169 7:6 8:1510 9:1 11:172 12:1420 13:362 14:2430 15:331 16:264 17:358 18:899 20:430 21:4 22:188 23:6883 24:2646 25:2 27:2641 29:19 31:2912 32:44 34:73 35:142 36:2355 37:4483 38:8712 39:917 40:154 41:4133 42:2181 43:2420 44:335 45:17623 46:4665 47:298 49:2006 50:1860 51:581 52:1583 54:317 55:957 56:8 57:222 58:2181 59:1201 60:1143 61:2766 62:2829 63:1854 64:5419 65:2285 66:4639 67:2994 68:1332 69:4018 70:1129 71:565 72:2860 74:2779 75:1627 76:634 77:2578 78:1868 79:1649 80:2194 81:2022 82:1780 83:1371 84:1742 85:3092 86:969 87:2153 88:1234 89:4372 90:702 91:8266 92:2637 93:2813 94:3803 95:4287 96:1261 97:315 98:1073 99:739 100:72 101:1157 102:3424 103:32231 104:4400 105:706 106:984 107:2385 108:1153 109:4033 110:2201 111:3309 112:2039 113:1778 114:1923 115:2124 116:1962 117:2709 118:2875 119:1976 120:1865 121:1348 122:2690 123:2140 124:1621 125:2827 126:64 128:1409 129:924 130:1230 131:1866 132:813 133:446 134:1525 135:315 136:1250 137:1097 138:2930 139:1542 140:1477 141:1558 142:1802 143:1618 144:1021 145:395 146:2090 147:2042 148:2517 149:2804 150:1109 151:1377 152:2107 153:498 154:6926 155:1517 156:2567 157:1837 158:1211 159:2425 160:3223 161:1737 162:3559 163:1747 164:1935 165:2137 166:1297 167:1854 168:4060 169:779 170:4950 171:1018 172:3893 173:3104 174:907 175:1271 176:3470 177:4919 178:3534 179:2218 180:2504 181:3910 182:3314 183:2054 184:2266 185:21128 186:5027 187:4298 188:4238 189:4143 190:9632 191:1522 192:11065 193:9256 194:7592 195:5386 196:3228 197:3082 198:5915 199:8181 200:8013 201:6307 202:10218 203:10367 204:4615 205:3647 206:4563 207:3562 208:4202 209:5136 210:4510 211:2570 212:4505 213:3641 214:1072 215:48 216:6630 217:3033 218:1321 219:396 220:2069 221:1049 222:707 223:2272 End of report